3 years ago

Which image illustrates the interaction of a light wave with a mirror?

Physics

2 answers:

creativ13 [48]3 years ago

8 0

Answer:

I'm pretty sure its A

Explanation:

because its a reflection- Hope you get a good grade!

nadezda [96]3 years ago

3 0

100% it is A it has to be A

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3 years ago

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Answer:

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2) Mass that needs to be converted at 30% efficiency is 1.168 kg

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By the principle of mass energy equivalence we have

$E=mc^{2}$

where,

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'm' is the mass consumed

'c' is the velocity of light in free space

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$Energy=Power\times time\\\\\therefore Energy=1\times 10^{9}\times 365\times 24\times 3600\\\\Energy=31.536\times 10^{15}Joules$

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Part 2)

At 30% efficiency the mass converted equals

$mass|_{30}=\frac{mass|_{100}}{0.3}\\\\mass|_{30}=\frac{0.3504}{0.3}\\\\mass|_{30}=1.168kg$

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